Date search conducted
Search question: P = Overweight I = Drinking water or non caloric beverage O = Weight loss
Databases searched: CINAHL Cochrane Library EMBASE MEDLINE		Year range: 1980 – present to present 1974 – present 1946 – present	Number (no) records retrieved:
Total no records retrieved:		No duplicates removed:	Final total:
Limits: Human Publication type: RC
Methodological filters:
CINAHL	RCTS: EbscoHOST Clinical Queries: Therapy – High Sensitivity Wong 2006a
EMBASE	RCTs Ovid Clinical Queries: Treatment (2 or more terms high sensitivity) Wong 2006b
MEDLINE	RCTs Cochrane Highly Sensitive Search Strategy for identifying randomized trials in MEDLINE: sensitivity‐maximizing version (2011 revision); Ovid format Lefebvre 2011